Dental tool



FIG. 1 is a perspective view showing the top, front, and left sides of a dental tool according to the new design;

FIG. 2 is a top plan view thereof, the front and rear elevation and the bottom plan views being identical to the top plan view as shown;

FIG. 3 is a left side elevational view thereof; and,

FIG. 4 is a right side elevational view thereof.

The dotted line depiction of a dental implement in FIGS. 1 and 2 are for illustrative purposes only, and does not form any part of the claimed design. 

The ornamental design for a dental tool, as shown and described. 